vacuum pump head (for rotary motor) anyone know of a good unit?
A lot of the pumps have kind of crappy motors and I'm wondering if it is possible to buy just the head (or unit that has dead motor) and add a good
motor. Anyone do this or think it would work? I suspect with more HP the pressures could be increased as well as CFM and possibly even reduce heat
with some units for same amount of work done.
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